package com.google.gwt.sample.stockwatcher.client;

import com.google.gwt.user.client.ui.Widget;

public interface StockPriceObserver {
	
	public void onStockPriceAdded(StockPrice stockPrice);
	
	public void onStockPriceDeleted(StockPrice stockPrice);
	
	public void onStockPricesUpdated(HistoricoStockPrice historicoStockPrice);
	
	public Widget getWidget();
	 	
}
